diff --git a/callwidget.cpp b/callwidget.cpp
index bdeb6dc4c4ab81387c96f603c9061175945466d5..f9f7f042179b00bf7561f90ca2a5a5d69d68b047 100644
--- a/callwidget.cpp
+++ b/callwidget.cpp
@@ -518,6 +518,8 @@ CallWidget::smartListSelectionChanged(const QItemSelection& newSel, const QItemS
     } else {
         setActualCall(nullptr);
         ui->instantMessagingWidget->hide();
+        if (imConnection_)
+            disconnect(imConnection_);
         ui->stackedWidget->setCurrentWidget(ui->welcomePage);
     }
 }
@@ -624,7 +626,8 @@ CallWidget::on_contactMethodComboBox_currentIndexChanged(const QString& number)
     auto cm = PhoneDirectoryModel::instance().getNumber(number);
     if (auto txtRecording = cm->textRecording()) {
         ui->listMessageView->setModel(txtRecording->instantMessagingModel());
-        disconnect(imConnection_);
+        if (imConnection_)
+            disconnect(imConnection_);
         imConnection_ = connect(txtRecording,
                                 SIGNAL(messageInserted(QMap<QString,QString>,ContactMethod*,Media::Media::Direction)),
                                 this,